Home / 84,462.32-126,749.40-45,047.84

Finding the Fourth Proportional to 84,462.32, 126,749.40 and 45,047.84

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Solution

The fourth proportional to 84,462.32, 126,749.40 and 45,047.84 is: 67,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,462.32 : 126,749.40 = 45,047.84 : x
  2. Step 2: Convert to fraction form
    84,462.32/126,749.40 = 45,047.84/x
  3. Step 3: Cross multiply
    84,462.32x = 126,749.40 × 45,047.84
  4. Step 4: Simplify right side
    84,462.32x = 5,709,786,691.30
  5. Step 5: Solve for x
    x = 5,709,786,691.30/84,462.32
  6. Step 6: Final answer
    x = 67,601.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.